Adsorption of Malachite Green on Fe-modified biochar: Influencing factors and process optimization

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dc.authoridKalderis, Dimitris -- 0000-0002-4983-065X
dc.contributor.authorKulaksız, Esra
dc.contributor.authorGözmen, Belgin
dc.contributor.authorKayan, Berkant
dc.contributor.authorKalderis, Dimitrios
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-16T09:14:54Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-16T09:14:54Z
dc.date.issued2017
dc.departmentSabire Yazıcı Fen Edebiyat Fakültesi
dc.description.abstractPaper sludge and wheat husk biochar was converted to a Fe-composite through a simple co-precipitation process and its adsorption behavior was tested against an emerging pollutant, Malachite Green (MG). Response surface methodology was employed to determine the optimum experimental conditions and the interactions between pH, initial MG concentration, temperature and treatment time. The maximum adsorption percentage obtained experimentally was 97.1%, whereas the Box-Behnken design predicted a maximum adsorption of 98%, at pH 6.16, initial MG concentration of 6.56 ppm, temperature of 34.75 degrees C and treatment time of 22 min. Compared with the original biochar, the Fe-modified sample improved the adsorption of MG by similar to 34%. The adsorption mechanism followed the Langmuir model (q(max) = 172.3 mg/g, correlation coefficient 0.960) and the kinetics of the process were best described by the pseudo-second-order model (correlation coefficient 0.9818), although boundary layer effects were also observed.
dc.identifier.doi10.5004/dwt.2017.20601
dc.identifier.endpage394en_US
dc.identifier.issn1944-3994
dc.identifier.issn1944-3986
dc.identifier.scopusqualityQ3
dc.identifier.startpage383en_US
dc.identifier.urihttps://doi.org/10.5004/dwt.2017.20601
dc.identifier.urihttps://hdl.handle.net/20.500.12451/4205
dc.identifier.volume74en_US
dc.identifier.wosWOS:000403572000038
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherDesalination Publications
dc.relation.ispartofDesalination and Water Treatment
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectBiochar
dc.subjectMalachite Green
dc.subjectAdsorption
dc.subjectFe-modified Composite
dc.subjectResponse Surface Methodology
dc.titleAdsorption of Malachite Green on Fe-modified biochar: Influencing factors and process optimization
dc.typeArticle

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